1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
//@ known-bug: #110395
//@ revisions: stock precise
#![feature(const_trait_impl)]
#![feature(const_mut_refs)]
#![cfg_attr(precise, feature(const_precise_live_drops))]
use std::marker::{Destruct, PhantomData};
struct NonTrivialDrop;
impl Drop for NonTrivialDrop {
fn drop(&mut self) {
println!("Non trivial drop");
}
}
struct ConstImplWithDropGlue(NonTrivialDrop);
impl const Drop for ConstImplWithDropGlue {
fn drop(&mut self) {}
}
const fn check<T: ~const Destruct>(_: T) {}
macro_rules! check_all {
($($exp:expr),*$(,)?) => {$(
const _: () = check($exp);
)*};
}
check_all! {
NonTrivialDrop,
ConstImplWithDropGlue(NonTrivialDrop),
}
fn main() {}
|
